<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
    private $_id;
    public function authenticate()
    {
        $record=User::model()->findByAttributes(array('username'=>$this->username));
//        $hash= CPasswordHelper::hashPassword(md5($this->password));print_r($hash); //Генерация хеша пароля http://www.yiiframework.com/doc/api/1.1/CPasswordHelper
        if($record===null)
            $this->errorCode=self::ERROR_USERNAME_INVALID;
        else if(!CPasswordHelper::verifyPassword(md5($this->password),$record->password))
            $this->errorCode=self::ERROR_PASSWORD_INVALID;
        else
        {
            $this->_id=$record->id;
            $this->username = $record->username;
            $this->setState('title', $record->role);
            $this->errorCode=self::ERROR_NONE;
        }
        return !$this->errorCode;
    }

    public function getId()
    {
        return $this->_id;
    }
//	public function authenticate()
//	{
//		$users=array(
//			// username => password
//			'demo'=>'demo',
//			'admin'=>'admin',
//		);
//		if(!isset($users[$this->username]))
//			$this->errorCode=self::ERROR_USERNAME_INVALID;
//		elseif($users[$this->username]!==$this->password)
//			$this->errorCode=self::ERROR_PASSWORD_INVALID;
//		else
//			$this->errorCode=self::ERROR_NONE;
//		return !$this->errorCode;
//	}
}